Comscore Announces the Expansion of GroupM in its Burgeoning Asia-Pacific Client Portfolio

RESTON, VA, June 29, 2009 – Comscore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today announced that it has expanded its relationship with GroupM Interaction APAC to now encompass all of the Asia-Pacific region, reflecting Comscore’s growing portfolio of agency clients in this market. GroupM is the leading global media investment management operation that serves as the parent company to WPP media agencies including MAXUS, MediaCom, Mediaedge:cia and MindShare.

“The expansion of Comscore’s relationship with GroupM Interaction APAC to include all the Asia-Pacific region underscores the growing importance of accurate online measurement for digital media accountability in this region of the world,” said Will Hodgman, Comscore executive vice president with responsibility for Asia Pacific. “Comscore’s unique and trusted methodology provides critical digital market intelligence at the local, regional and global levels, and provides advertisers, marketers and publishers an industry-accepted currency for digital media transactions.”

Comscore currently offers a comprehensive regional view of the Asia Pacific region, including reporting on ten individual markets in the region: Japan, China, India, Hong Kong, South Korea, Singapore, Malaysia, Australia, New Zealand and Taiwan. Comscore’s current product offerings for the Asia-Pacific region include both its flagship Comscore Media Metrix service, which measures online behaviors such as site visitation and engagement, the Comscore qSearch service, which measures audience search behavior, and the Comscore Brand Metrix service, which measures the branding impact of campaigns.

“By extending our partnership with Comscore, GroupM is able to drive accountability. We have seen great value with the partnership and so this development will continue to build on that foundation for our clients." Alice Manners, COO of GroupM Interaction APAC.

About Comscore

Comscore, Inc. (NASDAQ: SCOR) is a global leader in measuring the digital world and the preferred source of digital marketing intelligence. For more information, please visit www.comscore.com/companyinfo.

About GroupM

GroupM is the leading global media investment management operation. It serves as the parent company to WPP media agencies including MAXUS, MediaCom, Mediaedge:cia and MindShare.

Our primary purpose is to maximise the performance of WPP’s media communications agencies on behalf of our clients, our shareholders and our people by operating as a parent and collaborator in performance-enhancing activities such as trading, content creation, sports, digital, finance, proprietary tool development and other business-critical capabilities. The agencies that comprise GroupM are all global operations in their own right with leading market positions.

The focus of GroupM is the intelligent application of physical and intellectual scale to benefit trading, innovation, and new communication services, to bring unfair competitive advantage to our clients and our companies.

Contact:
Sarah Radwanick
Director, Regional Product Marketing
Comscore, Inc.
+44 (0) 20 7099 1784
worldpress@comscore.com